Unit 1: Matter and Energy CBA Review 22-23

Which group of elements are all thermal or electrical conductors?

Select all of the elements are would be classified as brittle.

Which element in the table is classified as a metalloid?

Which element in the table is classified as a nonmetal?

Which element in the table is classified as a metal?

Using the chemical equation, how many elements are involved in this chemical reaction?

(a)  

Using the chemical equation, how many elements are involved in this chemical reaction?

(a)  

Write a statement that best explains the difference between the number of elements that make up Earth's most common elements compared to the number of elements on the periodic table.

SENTENCE STEM:

Earth's most common elements only comprise of _ elements. The periodic table of elements contains _ the known elements in the universe.

Which element is found in relatively high abundance in the human body as well as the Earth's Atmosphere?

Which of the substances are elements? Select THREE correct answers.